Leases (Disclosure of balance sheet classification) (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Operating leases:
Operating lease right-of-use assets	$ 90,454	$ 82,564
Current portion of operating lease liabilities	14,231	13,074
Operating lease liabilities	85,427	77,557
Total operating lease liabilities	99,658	90,631
Finance leases:
Property, plant and equipment, net	342,679	322,391
Current portion of long-term debt	37,246	33,283
Long-term debt	77,543	90,796
Total finance lease liabilities	114,789	124,079
Finance Leases [Member]
Finance leases:
Property, plant and equipment, gross	166,964	157,801
Accumulated depreciation	(28,843)	(20,494)
Property, plant and equipment, net	$ 138,121	$ 137,307